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1
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
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Molecular velocities of two gases at the same temperature (T) are u1 and u2. Their masses are m1 and m2 respectively. Which of the following expressions is correct at temperature T?
A
$${{{m_1}} \over {u_1^2}} = {{{m_2}} \over {u_2^2}}$$
B
$${m_1}{u_1} = {m_2}{u_2}$$
C
$${{{m_1}} \over {{u_1}}} = {{{m_2}} \over {{u_2}}}$$
D
$${m_1}u_1^2 = {m_2}u_2^2$$
2
WB JEE 2020
MCQ (Single Correct Answer)
+1
-0.25
Change Language
At 273 K temperature and 76 cm Hg pressure the density of a gas is 1.964 g L-1. The gas is
A
CH4
B
CO
C
He
D
CO2
3
WB JEE 2019
MCQ (Single Correct Answer)
+1
-0.33
Change Language
For a van der Waals' gas, the term $$\left( {{{ab} \over {{V^2}}}} \right)$$ represents some
A
pressure
B
energy
C
critical density
D
molar mass
4
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
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WB JEE 2017 Chemistry - Gaseous State Question 8 English
For same mass of two different ideal gases of molecular weights M1 and M2, Plots of log V vs log p at a given constant temperature are shown. Identify the correct option.
A
M1 > M2
B
M1 = M2
C
M1 < M2
D
Can be predicted only if temperature is known
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